{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "939673418",
    "entityType": "User",
    "nonce": "0xa85967690c46bdb6dd40cc415a592deb9fbdfab017178fe85ba26ea7ce2af6d3",
    "signature": "0xef61574489ee2326246d07d1ed3da26af63682e2fb3b673e4ff4b4841fe940e068d4a2ed8706406a6ac22602046d359338a3ac79de1dfa546f25262fbcbb55591c",
    "signer": "0xe270C91f9476B885124d6c0208211213dC10036a",
    "userId": "94825285"
  }
}